The Honeywell Home V4073A motorised 3 port mid position valve, 22 mm, is used in conjunction with a room thermostat and a cylinder thermostat to offer full temperature control of a conventional, fully pumped central heating installation. The valve has been designed to control the flow of water in domestic central heating systems, where both radiator and hot water cylinder circuits are pumped. The Honeywell V4073A Mid Position Valve is typically suited for small to medium-sized installations.

• Three position operation
• Quiet operation, minimal power consumption
• Powerhead replaceable without draining down
• Potential free end switch for electrical control of pump or boiler
• Manual lever for filling/draining down
• 1 meter flying lead, head resistant cable
• Valve Opens to port B in 8 seconds under spring return
• Provides electrical output to boiler or pump options 22 mm or 28 mm or 19.5 mm
• 25.4 mm connection